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JPL Small-Body Database Browser
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65290 (2002 JA4)
Classification: Main-belt Asteroid          SPK-ID: 2065290
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02527491814154563 5.7247e-08  
a 2.649710099774874 1.9699e-08 au
q 2.582738893904237 1.5518e-07 au
i 22.74769675046874 5.9693e-06 deg
node 115.6398747123756 1.4555e-05 deg
peri 319.6847495839639 0.0001066 deg
M 201.490234639231 0.00010414 deg
tp 2459694.164534995630
(2022-Apr-24.66453500)
0.00045506 TDB
period 1575.41859979456
4.31
1.7568e-05
4.81e-08
d
yr
n .2285106955363769 2.5483e-09 deg/d
Q 2.716681305645511 2.0197e-08 au
  Orbit Determination Parameters
   # obs. used (total)      647  
   data-arc span      8208 days (22.47 yr)  
   first obs. used      1996-11-12  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59265  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:26:10  

Additional Information
 Earth MOID = 1.6117 au 
 Jupiter MOID = 2.4155 au 
 T_jup = 3.280 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457137.5 (2015-Apr-25.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02694344866373584 5.7355e-08  
q 2.576034441118515 1.5579e-07 au
tp 2456548.207017350409
(2013-Sep-12.70701735)
0.00042924 TDB
node 115.6641759299315 1.4566e-05 deg
peri 320.1805719888076 9.9871e-05 deg
i 22.74421812688449 5.9692e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      647  
   data-arc span      8208 days (22.47 yr)  
   first obs. used      1996-11-12  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59265  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:26:10  

Additional Information
 Jupiter MOID = 2.4155 au 
 T_jup = 3.280 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.289643779097247E-15 -8.867039572691544E-15 -1.588065372387364E-12 -2.657229228014334E-14 -3.936202733981407E-13 -1.34136294211733E-15
q -8.867039572691544E-15 2.426911066550091E-14 2.788412573426324E-12 7.086760342098453E-14 7.479708718029783E-13 5.356264812806637E-15
tp -1.588065372387364E-12 2.788412573426324E-12 1.842500260321497E-7 5.681738528209771E-11 4.243896879386035E-8 -6.893821686402048E-11
node -2.657229228014334E-14 7.086760342098453E-14 5.681738528209771E-11 2.121712794932368E-10 -1.820357980304215E-10 -2.138721646941702E-11
peri -3.936202733981407E-13 7.479708718029783E-13 4.243896879386035E-8 -1.820357980304215E-10 9.9741432531277E-9 3.914096364889822E-12
i -1.34136294211733E-15 5.356264812806637E-15 -6.893821686402048E-11 -2.138721646941702E-11 3.914096364889822E-12 3.563155488205634E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO436237  
diameter diameter 2.990 km 0.628 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.238   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65290 (2002 JA4)          Discovered 2002-May-05 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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